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<title>Choosing to create a hot-spare drive</title>

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<h1> Choosing to create a hot-spare drive</h1>
<p>Hot-spare drives
supply additional protection to a RAID configuration. If a
  physical drive fails in configurations other than RAID level-0,
  the hot-spare drive automatically replaces the failed physical drive. Subsequently,
  the logical device can be rebuilt using the hot spare.</p>
<p><b><img src="images/note.gif" width="15" height="17"> Note:</b> You cannot use
  hot-spare drives with RAID level-0.</p>
<p>You can create a hot-spare drive in the Configuration wizard when you first
  configure the controller. If you choose not to create a hot-spare
  drive at that time, you can create the hot-spare at another time. <br>
</p>
<h2>More information</h2>

<ul>
  <li><a href="acreaths.htm">Creating a hot-spare drive (action)</a></li>
  <li><a href="acrasdhs.htm">Creating an assigned hot-spare drive (action)</a></li>
  <li><a href="aremovhs.htm">Deleting a hot-spare drive (action)</a></li>
  <li><a href="cusehs.htm">RAID levels that can use a hot-spare
    drive</a></li>
</ul>

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